/*-
 * ============LICENSE_START=======================================================
 * SDC
 * ================================================================================
 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
 * ================================================================================
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * ============LICENSE_END=========================================================
 */

package org.openecomp.sdc.be.dao.utils;

import com.google.gson.Gson;

/**
 * 
 * @author Evgenia Alberstein
 * 
 *         Utility class for convertation to/from JSON string
 */
public class DaoUtils {
	
	private DaoUtils() {
		
	}
	
	/**
	 * Convert from Object to Json string
	 * 
	 * @param object
	 * @return json string
	 */
	public static String convertToJson(Object object) {
		if (object == null) {
			throw new RuntimeException("The object cannot be NULL!!!");
		}
		Gson gson = new Gson(); // Or use new GsonBuilder().create();
		return gson.toJson(object); // serializes target to Json
	}

	/**
	 * Convert from Json string to object
	 * 
	 * @param clazz
	 * @param json
	 * @return object
	 */
	public static <T> T convertFromJson(Class<T> clazz, String json) {
		if (clazz == null) {
			throw new RuntimeException("The Class cannot be NULL!!!");
		}
		
		Gson gson = new Gson(); // Or use new GsonBuilder().create();
		return gson.fromJson(json, clazz); // deserializes json into target2
	}

}
